Too many families are still living in substandard housing.

仍有太多家庭居住条件达不到标准。

The reputation of the firm was blown upon for passing substandard products off as first-class merchandise.

该公司因把次品当正品出售而名誉扫。

We need Nolyester and Nylon poy multifilament yarn(only substandard -b-c grade-offgrade-No a grade) for our ropes production.

要低等级别或无级别尼龙长丝线.